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Review: 2010 Audi S4http://www.thetruthaboutcars.com/2009/11/review-audi-s4/
http://www.thetruthaboutcars.com/2009/11/review-audi-s4/#commentsMon, 09 Nov 2009 16:15:50 +0000http://www.thetruthaboutcars.com/?p=334566Once upon a time, S was for Audis what M was for BMWs. A decade ago Audi took an A4, added a pair of turbos to the V6, stiffened the suspension, plus-oned the alloys, and tagged the result the S4. A special driving experience that became more special (if less moddable) when the 250-horsepower turbo […]

Once upon a time, S was for Audis what M was for BMWs. A decade ago Audi took an A4, added a pair of turbos to the V6, stiffened the suspension, plus-oned the alloys, and tagged the result the S4. A special driving experience that became more special (if less moddable) when the 250-horsepower turbo V6 was replaced by a 340-horsepower V8 a few years later. The A4 was redesigned for 2009, and this year there’s a new S4. The V8 has been tossed in favor of a supercharged 3.0-liter V6 that kicks out 333 horsepower. Is the resulting car worthy of the S?

With the B8 A4, Audi rearranged the drivetrain bits to shift the front axle forward four inches. The primary goal: lose the nose-heavy feel that has long plagued Audis. But this change also improved the car’s proportions—having the front wheel opening just a couple inches from the front door cut is never pretty. Other changes included some BMW-influenced (but more tastefully done) “flame surfacing” on the lower bodysides. Even with these changes, the current A4 looks much like the previous one at a glance. It’s a handsome car. But the closely related A5 coupe is stunning.

The new Audi S4 looks nearly identical to the A4 on which it is based. The wheel design is unique, but such a subtle difference will be lost on all but the most ardent Audi fans. The fascias might also be tweaked, but I couldn’t tell. I literally checked the badges prior to entry to verify that I was indeed getting into an S4 rather than an A4.

The S4’s stealth act continues in the interior. Good thing then, that Audi has led the industry in interior design and construction for at least the last decade. While the S4’s cabin is largely up to snuff, some bits seem cheaper than in the previous car, most notably the silver plastic trim plate across the top half of the instrument panel face and the hard plastic door pulls. Other manufacturers wrap the latter, a key touch point, in leather, and it feels good. Why doesn’t “the interior design leader?”

The new S4, like the A4 on which it is based, is 4.6 inches longer and 2.1 inches wider than the old one. This larger exterior translates to a larger interior. In the front seat, you sit a bit lower behind a more imposing instrument panel than before and the cabin feels noticeably wider. These changes, together with the longer wheelbase, lend the B8 an almost midsize feel. This can be good or bad. Buying a compact sedan only because it costs less? Then good. Buying a compact sedan because you like the more agile, more intimate feel of a smaller car? Not so good.

The S4 does have standard sport buckets. The prominent side bolsters provide excellent lateral support, but are just short of uncomfortably tight for me–and I have a fairly slim build. Larger people might find these seats unbearable. My seat recalls the old S4’s Recaro buckets much more fondly.

In the back seat, knees have about an inch more space, which is significant since many adults couldn’t quite fit into the back of the old S4. As in nearly every competitor, the rear seat remains too low to the floor to provide adults with thigh support. As before, the rear seat folds in two parts to enlarge the trunk. Try finding that in a Japanese competitor.

The new Audi S4 is available with two transmissions, a six-speed conventional manual and a seven-speed automated dual clutch manual (“DSG” in VW-speak, “S tronic” in Audiese). I drove the former. Start up the new S4 and get going, and the first thing you’ll notice is that the shift lever is a too tall for comfort. First mod? Otherwise, the new car’s shifter feels smoother than that in any other Audi I’ve cogswapped.

The next thing you notice is that, when driving the new Audi S4 casually, there isn’t much to notice. In the old V8-powered S4, a sporty burble reminded you at all times that you were driving something special. In the new one, noise from all sources, including the engine, is low. In some supercharged engines (Ford’s V8 comes to mind), the blower assaults the eardrums. With this one, my ears failed to notice it.

Is the new S4 quick? Absolutely. The supercharged engine doesn’t pack the now-off-now-on wallop I recall in the old biturbo V6—power builds more linearly and without a lag—but it does pull very strongly. You’re at sixty-plus before your senses have time to process the (non) experience. Fuel economy benefits from the engine swap: EPA ratings go from 13/19 to 18/27—goodbye gas guzzler tax. The benefits don’t end here—Audi has also cut the price by a few thousand to reflect the lower manufacturing cost of this engine. And yet, something is also lost. As Baruth noted in his drive of the A6 3.0T, the supercharged V6 verges on characterless. It has none of the spine-tingling soul of the V8.

Like the new A4, the new S4 has more communicative steering and more balanced handling than the old one. The nose no longer seeks the outside curb in hard turns. Any curve taken at semi-sane speeds is carved without complaint. And yet the edge that marks the best performance sedans is absent. The driver gives orders, and the car faithfully executes them, but the two don’t meld. On the flip side, the ride is surprisingly absorbent.

A couple of performance-oriented options were absent from the “stripper” S4 I drove. An $1,100 active rear differential should lend the S4 more of the feel of a rear-wheel drive car, with (hopefully) throttle-induced oversteer on demand. Spend an extra $3,950 for the Audi Drive Select Package, and this active differential is joined by active steering, ultra-quick electrically-adjustable shocks, and a switch to alter the calibrations of both. The adjustable steering and shocks get stellar reviews in every Audi in which they’re offered. With them, the latest S4 might be the most thrilling yet.

Problem is, without them the new Audi S4 feels much like a regular A4, just with 50 percent more power. If Audi had called the car I drove an A4 3.0T, as it does when the A6 is fitted with this engine, then I’d have no complaints. But an S4 should be more special. As it is, it’s just a very quick and very competent but otherwise normal-feeling car.

My suggestion: give the car I drove the regular A4’s more accommodating buckets and rename it the A4 3.0T. The S4 nameplate should be reserved for a car with a more thrilling engine note, the trick suspension and steering, and tuning that thoroughly engages the driver in the experience. Otherwise, the S badge seems like little more than a marketing afterthought.